The City of Harrisonville has need of professional field investigation and engineering services on various matters that arise throughout the city’s fourteen (14) (minimum number of) watersheds. These concerns include but are not limited to the following tasks: • Sanitary sewer evaluation studies (SSES); • Public and private Infiltration and Inflow (I/I) reduction plans; • Manhole Inspection/Line Lamping Inspections; • Smoke testing; • Building Inspections; • Dye-Water Testing; • Manhole Rim Survey and coordinate with the City GIS Mapping of sanitary sewer collection system; • Flow monitoring and real-time sewer surveillance; • Sewer system cleaning and Internal CCTV inspection; • Rehabilitation and capacity analysis; • Develop a hydraulic computer model, calibrated with data from the flow monitoring and real-time sewer surveillance; • Predict the location and cost of relief sewers needed to safely carry the peak flows from a 50-year rainfall event with 20% ultimate future growth; • Determine a cost-effective I/I removal level to design and recommend improvements; • Evaluation of the structural and maintenance condition of the collection system with recommendations and costs provided, including, but not limited to relief sewers, public and private I/I removal, and structural manhole and sewer line rehabilitation; • Improvement plan and report
